機械換向 的英文怎麼說

中文拼音 [xièhuànxiàng]
機械換向 英文
mechanical commutation
  • : machineengine
  • : 名詞1. (器械) tool; instrument 2. (武器) weapon 3. [書面語] (枷和鐐銬之類的刑具) fetters, shackles, etc
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • 機械 : 1. (利用力學原理組成的各種裝置) machinery; machine; mechanism 2. (死板; 刻板) mechanical; inflexible; rigid
  1. Then this paper designs the client / server / server frame which suit to this system, and uses the oracle8i database as the background database, oracle9i application server as the application server on mesosphere. in addition, this system achieves the connection between database and application server by jdbc, makes java server page as the exploitive tool. in this way, this paper establishes an experimentation e - business system that realizes intercommunion of the produce data in machine enterprise

    接著,以client / server / server三層結構應用模式為基礎對企業的應用構架作了設計;以oracle8idatabase作為后臺數據庫; oracle9ias作為中間層的應用服務器;採用java的jdbc技術實現了應用服務器與數據庫服務器的連接;並以jsp作為系統前臺開發工具,建立起了一個面製造企業生產數據交的企業內部的實驗性質的電子商務平臺。
  2. The zs3 series multiple directional control valves, one kind of combination valves with the manual directional control valves , are mainly used in hydraulic systems of engineering machinery, mining machinery, lifting transportation machinery and other machinery to change flow direction for integrated control over several actuator

    Zs3系列多路閥是一種以手動閥為主體的組合閥,它主要用於工程、礦山、起重運輸和其他液壓系統,用以改變液流方,實現多個執行構的集中控制。
  3. Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple

    現在的工程師們更為青睞永磁無刷直流電動是因為以下幾點原因: ( 1 )去除了電刷的永磁無刷直流電動徹底地免除了維護而且消除了我們不希望的由於帶來的火花、電刷損耗以及無線電干擾等等; ( 2 )低轉動慣量的轉子提高了電響應的質量,從而縮短了電加速和減速的時間; ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動比傳統的直流電動效率高; ( 4 )由於沒有機械換向部分定子的結構簡單了。
  4. Brief introduction the model kx920 wheel is one of the series leading products made in our works that is well received both at home and abroad for its reaso - nable design, beautiful contour, and advanced norms. by adopting of three - ele ment torque converter, fixed - axle type pcwer shifing transimission box, in = bub reduction, double - axle drive, hinged frame, all hydraulic steering, and clamping brade. the loader has such features as : large power reseve, fi - neaccelerating performace, comfortable operation, wide field of vision, it " s muti = function, high - effic ient and flexible engineering machinery. mor - eover, it can be equipped with many kinds of working attachments such as flat fort, muti - fnction bucket, and snow plow, so it may be used for loading and unloading, transporting, piling and leveling materials in various kinds of projects. mines, enterprises and city. welcome friends both at ho - me and abroad to visit our factory and to order our products

    Kx920裝載是我公司生產的系列主導產品之一,該設計合理,外形美觀,指標先進,在國內外享有盛譽.它選用三元件液力變矩器,定軸式動力檔變速箱,輪邊減速,雙橋驅動,鉸接式車架,全液壓轉,汽液鉗盤式四輪制動,手動鉗盤式停車制動,反轉連桿構,動力儲備大,加速性能好,駕駛舒適,視野寬廣,是一種用途廣,效率高,動靈活的工程.備有平叉,圓木叉,多用途斗,推雪板,側翻,抓草等多種工作裝置,因此廣泛用於各類工程,工礦企業和城鎮的物料,垃圾裝卸,運輸,堆垛,平整等作業,歡迎國內外朋友們來公司參觀,選購
  5. A commutator - brush combination is used as a mechanical rectifier to make the armature terminal voltage unidirectional and also to make the mmf wave due to the armature current fixed in space

    通過使用流器電刷的組合作為一個整流器以使得電樞的端電壓為單方的同時也使得由電樞電流所產生的磁動勢在空間是固定的。
  6. According to the time variation and feature extraction difficulty of rotating machinery vibration signals, the rule of choosing wavelet basis function and wavelet denoising soft - thresholding value is proposed after making further research on wavelet transform technique, using for denoising rotating machinery vibration signals the conception of " energy " is proposed, based on the theory that signals energy in all frequency can be affected by faults deeply, to construct feature vectors of rotating machinery vibration signals which can give a convenient disposal way to fault feature extraction and fault intellectual diagnosis

    針對旋轉振動信號的非平穩性及特徵難以提取的特點,通過對小波變技術的進一步研究,提出旋轉振動信號處理的小波基函數選擇原則及小波包消噪的軟閥值原則。利用小波包變對旋轉振動信號進行消噪處理和特徵提取。並以「能量」為元素,構造旋轉振動信號的特徵量,從而為旋轉振動信號的故障特徵提取以及后續的故障智能診斷提供了一種便捷的處理方法。
  7. In the special fields locking valves, underground mining, water hydraulic systems or beyond that with mining machines, hydraulics, selector valves as well as with aggregates, open cast pit, strip mining, surface mining and / or with hydro and hydraulically is saartech hydraulik gmbh well - known

    Saartech hydraulik gmbh是一家現代化的、可靠的專門產品供應商,這家供應商從事成套設備、組,礦山,液壓系統,液壓,液壓動力源,液壓缸,醫藥技術,地下,地下開采,整流器、整流管、閥、閥門,截止閥、關閉閥,露天礦,水壓學、水壓技術、水壓系統,方閥,閥,液壓的的製造、銷售。
  8. Force in the direction of the force transducer s axis of measurement, above which mechanical destruction can be expected to occur

    測量力轉器的軸方上的力。力若大於這個值,結構會發生破壞。
  9. The experiment acquired pressure distribution and circulating rate under three fluidizing velocity ( 3. 5m / s 、 4. 5m / s 、 5. 5m / s ) and different media load. an experimental equation was acquired between circulating rate and the distribution of the pressure. and the relation between the circulating rate and the opening rate of the valve connecting the returner and the ehe was carefully discussed as well as the relation between the pressure of the ehe and the flow rate of the fluidizing air

    得到三種流化風速下( 3 . 5m / s 、 4 . 5m / s 、 5 . 5m / s )不同裝料量所對應的主床床體壓力分佈和物料循環量,得到循環量與壓力的分佈和流化風速的本實驗臺上的經驗公式,並通過測量返料器通外置熱器閥開度和返料量的關系,得到旋風分離器中下落物料進入熱器和直接進入主床的比例關系,同時測得熱器中壓力和送風量的關系。
  10. Mechanical commutation ( graphite or precious metal brushes ), highest efficiency, low inductance, low electromagnetic interference, multiple combination possibilities with gears, feedback devices and control electronics

    機械換向器(石墨和金屬電刷) ,高效率,小電感,電磁干擾小,能與多種齒輪箱,反饋設備和控制電子元件配合使用。
  11. Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic

    空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器穩定啟動電磁閥壓力表微型減壓閥減壓氣閥三通釋放式截流閥壓力開關管接頭單閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖定閥精密減壓閥壓力開關式壓力開關氣控比例定位器電-氣比例定位器電訊號-氣壓轉器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃性快速接頭和軟管不帶靜電快速接頭和軟管
  12. The chip jk3ce that is one of micro - controllers in motorola 68hc08 family is used as control unit in this system. the zero crossing point of the back emf can be obtained by comparing the terminal voltage with the virtual neutral point, then using the software of the system can figure out the commutation period. the electronic commutation replaces the mechanical commutation in this way

    本系統採用的控制晶元為motorola系列單片中的jk3ce ,反電勢過零點可以通過比較電端電壓和虛擬中點電壓來得到,將過零點信號送往單片捕捉埠後由系統軟體來確定相時刻,這樣就可以由電子裝置替代相裝置,有利於提高系統運行的可靠性,並降低了系統維護的費用。
  13. Conventional dc motor ’ s mechanical commutator and brush result in limited capability, low reliability, big noise. people manage to develop more quiet, high efficiency and reliability, big capability driving motor

    傳統的直流電由於其本身固有的特性,即有機械換向器和電刷從而導致電容量有限和可靠性不高、噪音大,迫使人們探索低噪音、高效率並且大容量的驅動電
  14. The permanent magnet brushless dc motor is a dc motor using electronic commutation in place of mechanical commutation in fact, so it has excellent characteristics of dc motors, for example good start and timing performance. it simplifies the motor ' s structure and overcomes the friction disadvantages of ordinary dc motor because it does n ' t use mechanical commutation. it is extensively used in aviations, robots, digital machine tool and so on

    永磁無刷直流電動實際上是以電子代替機械換向的直流電動,因而保持了直流電動的優良特性,具有較好的起動和調速性能,又因它無需機械換向器使電的結構簡單,可以從根本上克服一般有刷直流電動易於產生火花的弊病,在航天、器人、數控床等許多工業領域已得到廣泛應用。
  15. The permanent magnet brushless dc motor is a dc motor using electronic communication in place of mechanical communication in fact, so it has excellent characteristic of dc motors, for example good start and timing performance. it simplifies the motor ' s structure and overcomes the friction disadvantages of ordinary dc motor because it does n ' t use mechanical communication. it is extensively used in aviations, robots, digital machine tool and so on

    永磁無刷直流電動實際上是以電子代替機械換向的直流電動,因而保持了直流電動的優良特性,具有較好的起動和調速性能,又因它無需機械換向器使電的結構簡單,可以從根本上克服一般有刷直流電動易於產生火花的弊病,在航天、器人、數控床等許多工業領域已得到廣泛應用。
  16. The model dc12 multiple directional control valve is developed by optimizing the functions of hydraulic systems of existing overseas domestic and overseas agriculture machinery, applicable to hydraulic systems in engineering machinery, lifting transportation machinery and agricultural machinery for integrated control over several actuating mechanism

    Dc12型多路閥是根據國內外農業等液壓系統進行優化設計推出的產品,適用於工程、起重運輸、農業等液壓系統中,實現多個執行構的集中控制。
  17. Roadway lighting equipment - enclosed side - mounted luminaires for horizontal - burning high - intensity discharge lamps - mechanical interchangeability of refractors

    道路照明設備.橫點燃高強度放電燈用封閉側裝式燈.折射器的可互
  18. However, the traditional dc motor uses brush so as to switch the phases, so there are relative mechanical frictions. then it comes out many fatal failing, such as yawp, spark, wireless disturb, etc. what " s more, its making cost is high, its maintain is also difficult, therefore its application is greatly limited

    直流電動具有運行效率高和調速性能好等諸多優點,但傳統的直流電動均採用電刷,以方法,因而存在相對的摩擦,由此帶來了噪聲、火花、無線電干擾以及壽命短等致命弱點,再加上製造成本高及維修困難等缺點,從而大大地限制了它的應用范圍。
  19. The dc20 、 25 、 32 series multiple directional control valves are new kind of multiple directional control valves developed by our company by optimizing the advantages of hydraulic systems of domestic and overseas engineering machinery

    32多路閥是我公司根據國內外工程液壓系統進行優化設計的新型多路閥。
  20. Conventional dc electric propulsion system always takes up dominant station in submarine propulsion. due to dc motor inherent limitation that machine commutation and brush results in stand - alone capability ' s limit low reliability, big noises, people manage to explore more quiet, high efficient and reliability, big stand - alone capability propulsion motor

    傳統的直流電力推進系統一直在潛艇推進中占據主導地位,但由於直流電本身固有的缺陷即有機械換向器和電刷從而導致單容量有限和可靠性不高、噪音大,迫使人們探索更加安靜並且高效可靠、單容量大的推進電
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